Final answer:
The preamble of the United States Constitution reveals the purpose of the constitution, which is to create a government that serves the people, protects their rights, and ensures a just and prosperous society.
Step-by-step explanation:
The preamble of the United States Constitution reveals the purpose of the constitution through several rhetorical features. One of these features is the mention of 'We the People' at the beginning, which emphasizes the idea of popular sovereignty, that the power of the government comes from the people.
Additionally, the preamble outlines specific goals for the government, such as 'establish justice' and 'promote the general welfare'. These goals highlight the purpose of the constitution, which is to create a government that serves the people, protects their rights, and ensures a just and prosperous society.